import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from './components/Login'
import Home from './components/Home'

import Welcome from './components/Welcome'
import Users from './components/user/Users'
import Rights from './components/power/Rights'
import Roles from './components/power/Roles'
import Cate from './components/goods/Cate'
import Params from './components/goods/Params'
import GoodsList from './components/goods/List'
import Add from './components/goods/Add'
import Order from './components/order/Order'
import Report from './components/report/Report'


Vue.use(VueRouter)


const router = new VueRouter({
  routes: [
    // 重定向
    { path: '/', redirect: 'login' },
    { path: '/login', component: Login },
    { path: '/home', component: Home },
    {
      path: '/home',
      component: Home,
      // 登录成功后 自动跳转welcome组件
      redirect: '/welcome',
      children: [
        { path: '/welcome', component: Welcome },
        { path: '/users', component: Users },
        { path: '/rights', component: Rights },
        { path: '/roles', component: Roles },
        { path: '/categories', component: Cate },
        { path: '/params', component: Params },
        { path: '/goods', component: GoodsList },
        { path: '/goods/add', component: Add },
        { path: '/orders', component: Order },
        { path: '/reports', component: Report },
      ]
    },

  ]
})

// 挂载路由守卫
router.beforeEach((to, from, next) => {
  // to:将要访问的路径
  // from:从哪里来
  // next:一个函数，表示放行
  // next() 放行  next(./login)强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  if (!tokenStr) return next('/login')
  next()
})

export default router
